Understanding Commercial Free-Choice Mineral Mixes for Beef Cattle

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Material Information

Title:
Understanding Commercial Free-Choice Mineral Mixes for Beef Cattle
Physical Description:
Fact Sheet
Creator:
Myer, Robert O.
Publisher:
University of Florida Cooperative Extension Service, Institute of Food and Agriculture Sciences, EDIS
Place of Publication:
Gainesville, Fla.
Publication Date:

Notes

Acquisition:
Collected for University of Florida's Institutional Repository by the UFIR Self-Submittal tool. Submitted by Melanie Mercer.
Publication Status:
Published
General Note:
"Original publication date July 2010."
General Note:
"AN245"

Record Information

Source Institution:
University of Florida Institutional Repository
Holding Location:
University of Florida
Rights Management:
All rights reserved by the submitter.
System ID:
IR00003776:00001


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Full Text

PAGE 1

Bob Myer, Travis Maddock, and Lee McDowell2

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Understanding Commercial Free-Choice Mineral Mixes for Beef Cattle 2

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Understanding Commercial Free-Choice Mineral Mixes for Beef Cattle 3

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Understanding Commercial Free-Choice Mineral Mixes for Beef Cattle 4 Basic Nutrient Requirements of Beef Cows Average Nutrient Content and Bulk Price of Byproduct Feeds Commonly Available in Florida Florida Cow-Calf Management, 2nd Edition Feeding the Cow Herd Grass Tetany in Cattle Mineral Concentrations in Grazed Cool-Season Annual Grass Pastures in North Florida Alternative Feeds for Beef Cattle Essential Trace Minerals for Grazing Cattle in Florida Forage Mineral Concentrations in Grazed Warm-Season Bahiagrass Pastures in Florida Mineral Supplements for Beef Cattle Essential trace minerals in grazing cattle in Florida Nutrient Requirements of Beef Cattle Mineral supplements for beef cattle

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Understanding Commercial Free-Choice Mineral Mixes for Beef Cattle 5 Mineral requirements of beef cattle (as % or ppm of dry matter intake)a Calcium, % 0.30 0.20 0.30.40 Phosphorus, % 0.25 0.20 0.20.30 Magnesium, % 0.20 0.10 0.20 Sodium, % 0.10 0.10 0.10 Copper, ppm 10 10 10 Cobalt, ppm 0.1 0.1 0.1 Iodine, ppm 0.5 0.5 0.5 Zinc, ppm 30 30 30 Manganese, ppm 40 40 40 Selenium, ppm 0.1 0.1 0.1 aAdapted from NRC (2000) Typical free-choice mineral mix specifications for beef cattle Calcium 10 to 20% Phosphorus 4 to 8% Salt (NaCl) 15 to 30% Magnesiumb 1% Copper 0.12% (1200 ppm) Cobalt 0.001% (10 ppm) Iodine 0.008% (80 ppm) Zinc 0.3% (3000 ppm) Selenium 0.0026% (26 ppm) aAssuming 2 to 4 ounces intake per day per head bMagnesium should be increased to at least 10% when grass tetany is a concern.

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Understanding Commercial Free-Choice Mineral Mixes for Beef Cattle 6 Typical average composition of common forages and concentrate feedstuffs (dry basis)a Bahiagrass pasture 0.3 0.2 0.3 4 20 Bermudagrass pasture 0.3 0.25 0.2 8 30 Annual ryegrass pasture 0.35 0.35 0.2 8 30 Oat pasture 0.3 0.35 0.2 8 30 Bahiagrass hay 0.35 0.2 0.3 6 30 Bermudagrass hay 0.4 0.2 0.2 8 30 Perennial peanut hay 1.3 0.2 0.5 6 35 Alfalfa hay 1.3 0.2 0.4 10 30 Corn 0.03 0.3 0.1 5 20 Corn silage 0.25 0.2 0.15 4 20 Corn gluten feed 0.05 1.0 0.4 6 70 Dried distillers grains 0.1 0.9 0.3 5 65 Wet distillers grains 0.1 0.9 0.3 4 60 Cottonseed meal 0.2 1.2 0.6 15 70 Whole cottonseed 0.2 0.6 0.4 8 35 Soybean meal 0.2 0.7 0.3 15 55 Soy hulls 0.6 0.2 0.25 10 45 Molasses 1.0 0.1 0.4 65 20 Wheat midds 0.15 1.1 0.4 8 80 Dried citrus pulp 1.8 0.2 0.15 6 15 Wet brewers grains 0.3 0.65 0.2 12 80 Hominy feed 0.04 0.6 0.2 4 40 a Adapted from NRC (2000), Dairy One, Inc. forage library, and surveys done in North Florida